Vavu amplifier kapena chubu amplifier ndi mtundu wa amplifier zamagetsi zomwe zimagwiritsa ntchito vacuum chubu kuonjezera matalikidwe kapena mphamvu ya chizindikiro.
Ma valve amplifiers otsika mpaka apakatikati a ma frequency omwe ali pansi pa ma microwave adasinthidwa kwambiri kukhala olimba amplifiers mu 1960s ndi 1970s.
Ma valve amplifiers amagwiritsidwa ntchito pazinthu monga gitala amplifiers, ma satellite transponders monga DirecTV ndi GPS, audiophile stereo amplifiers, ntchito zankhondo (monga radar) komanso mawayilesi amphamvu kwambiri komanso ma wailesi yakanema a UHF.
Ndine Joost Nusselder, woyambitsa Neaera komanso wotsatsa malonda, abambo, ndipo ndimakonda kuyesa zida zatsopano ndi gitala pamtima pa zomwe ndimakonda, ndipo pamodzi ndi gulu langa, ndakhala ndikupanga zolemba zakuya zamabulogu kuyambira 2020. kuthandiza owerenga okhulupirika ndi maupangiri ojambulira ndi gitala.
